package day2;

import java.io.*;

//缓冲流 + 新版try-catch实现文件复制
public class TestCopy3 {
    public static void main(String[] args) {
        try(
             FileInputStream fis=new FileInputStream("d://io//魔兽.rmvb");
             FileOutputStream fos=new FileOutputStream("d://io//movie//new3魔兽.rmvb");
             BufferedInputStream bis=new BufferedInputStream(fis);
             BufferedOutputStream bos=new BufferedOutputStream(fos);
        ){
            long start=System.currentTimeMillis();
            byte[] bs=new byte[1024];
            int len=0;
            while((len=bis.read(bs))!=-1){
                bos.write(bs,0,len);
            }
            long end=System.currentTimeMillis();
            System.out.println((end-start)+"ms");
        }catch (IOException e){
            e.printStackTrace();
        }
    }
}
